Quadriceps, Hamstring, Calves, Glutes
Stand with your legs slightly wider than hip-width apart, your feet parallel. Lift up arms and place both of your hands behind your head.
Making sure your elbows are pulled back and your chest is lifted, bend from your hips and bend your knees, lowering down to a sitting position. Straighten back up.
Continue for the required amount of repetitions.
Progressions And Regressions